Invention Grant
US09303896B2 Gas-fired water heater with separable heat exchanger or detachably connected external water heater 有权
燃气热水器带有可分离式热交换器或可拆卸连接的外部热水器

Gas-fired water heater with separable heat exchanger or detachably connected external water heater
Abstract:
A water heater, particularly but not exclusively for domestic use, is herein described and having removably secured thereto an external modulating gas power burner to heat the water in a separate tank portion. The two are easily separable from one another for service, repair or interchange. The hot water or a mixture thereof from the burner is circulated in a heat exchanger to transfer the heat to the tank water circulated from the water tank through the heat exchanger.
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